Re: [PATCH] drm/hisilicon/hibmc: fix 'xset dpms force off' fail

[Xinliang Liu <xinliang.liu@xxxxxxxxxx>]

On Fri, 20 Dec 2019 at 10:30, Zhihui Chen <chenzhihui4@xxxxxxxxxx> wrote:

both crtc_state->adjusted_mode.hdisplay and
crtc_state->adjusted_mode.vdisplay are 0 when switch dpms off,
return -EINVAL cause switch dpms off fail.

Signed-off-by: Zhihui Chen <chenzhihui4@xxxxxxxxxx>

Thanks for the patch.
Acked-by: Xinliang Liu <xinliang.liu@xxxxxxxxxx>
Applied to drm-misc-next.

 

---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
index 6527a97f68a3..722e369f30d4 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
@@ -80,6 +80,9 @@ static int hibmc_plane_atomic_check(struct drm_plane *plane,
                return -EINVAL;
        }

+       if (!crtc_state->enable)
+               return 0;
+
        if (state->crtc_x + state->crtc_w >
            crtc_state->adjusted_mode.hdisplay ||
            state->crtc_y + state->crtc_h >
--
2.20.1

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